Which of the following choices correctly describes the
way energy flows in an ecosystem?
A. Primary Consumer to Decomposer to Secondary Consumer
to Producer to Tertiary Consumer
B. Primary Consumer to Secondary Consumer to Producer to Decomposer to Tertiary Consumer
C. Decomposer to Producer to Tertiary Consumer to Secondary
Corumer to Primary Consumer
D. Producer to primary consumer to secondary consumer to tertiary consumer to decomposer
Answers
Related Questions
If the concepts of feminization and masculinization apply to humans (which we cannot determine at present)...
Choices:
Masculine and feminine behaviors are purely social constructs
The concept that masculinity must be accompanied by a reduction in femininity is incorrect
The concept that femininity is unaffected by masculinity is correct
Biological behaviors associated with masculinity would also be associated with femininity
Answers
Masculine and feminine behaviors being purely social constructs is the correct choice and is denoted as option A.
What is Masculinity?This is defined as the features and behavior which are associated with the male gender.
Women are always regarded or set up as being inferior to men in the society thereby resulting in them not having the same cultural influence as men. This depicts the both of them being social constructs and is therefore the most appropriate choice.
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Suppose your eyes are exposed to a microorganism, what is the first thing you should do?
Answers
If your eyes are exposed to a microorganism, the first thing you should do is to Flush your eyes with water for at least 10-15 minutes.
Proper eyelid cleanliness stops the bacterial buildup that leads to blepharitis and the potential for Demodex. Maintaining clean eyelids and lashes is also essential for safeguarding the many glands that line our eyelids and aid in the production of our tears.To allow the fluid to move across the eye, someone should flush their eye for 10 to 15 minutes while attempting to keep their eyes open.Some chemicals, such strong alkalis, may call for 60 minutes of flushing. When flushing the eye, one should make sure there are no chemicals or debris under the eyelid by looking around. They might want to get medical help after flushing.learn more about eyes here: https://brainly.com/question/1688036
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What term designates foods that contain nonnutrient substances which may provide health benefits beyond basic nutrition?
Answers
Term designates foods that contain non nutrient substances which may provide health benefits beyond basic nutrition are called functional food .
Functional foods are foods that may have a positive effect on health beyond basic nutrition. Supporters of functional foods say that these foods can support optimal health and may help lower the risk of disease. One common example of a functional food is oatmeal.
Functional foods is the term that defines foods that contain non nutrient substances whose known action in the body is to promote well-being to a greater extent than that contributed by the food's nutrients. Functional foods provide a health benefit beyond basic nutrition, includes conventional foods, fortified, enriched, enhanced foods and dietary supplements.
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Under conditions when there is very intense competition between memebers of the same species the distribution of individuals will tend to be:____.
Answers
As the intense competition of the species are observed in clumped distribution, so the answer is distribution of individuals will tend to be clumped.
What is intraspecies competition?The competition which occurs between individuals of the same species based on common need for a limited resources, leading to a reduction in the survival and reproduction rate.
Intraspecific competition for exploitation which is an indirect type observed when an individual consumes the available resources.
Intraspecific competition by interference observed when the individuals fight to access for other's food.
Hence, answer is clumped.
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Which enzyme will be most involved in the digestion of high protein food?
a. salivary amylase
b. pancreatic looses
c. protease
d. sucrase
Answers
Answer:
a. salivary amylase
Explanation:
salivary amylase breaks down starches (complex carbohydrates) into sugars for the body to absorb more efficiently.
a Salivary amylase
1. write down a brief summary of the main steps you took in the procedure and what the purpose of each step was. be sure to include any adjustments you may have made to the procedure, what they were, and why you made them.
Answers
It is important to consider that some pollutants are taken up easily by plants whereas other pollutants are difficult. This is because of their water solubility criteria. If a pollutant can be taken up by plant directly, it can cause more damages to the plant as compared to the pollutant which interacts from outside.
What is Pollutants?Pollutants can affect the photosynthesis:Some pollutants are toxic to plant metabolic reactions such as photosynthesis. This is because of their oxidative nature that can damage the photosystems. This ultimately impairs the plant functioning, e.g. ozone in the air.
Pollutants can affect the plant-associated microbial communities:Some pollutants such as antibiotics can target plant-associated bacterial communities that are required for plant health. Just like the human gut, plants also have beneficial bacteria that live inside the plant tissues. These bacteria are called endophytes. The harmful nature of the compounds can affect those bacteria which decreases plant fitness.
Pollutants can compete with nutrients that act as limiting factors:Some pollutants are hydrophobic in nature and make the beneficial nutrients less available to the plants. Likewise, some pollutants reduce the bioavailability of plant necessary nutrients directly. This results in reduced growth and development in plants.
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Determine if the following statement is true or false, and why. "All mutations are harmful and increase the risk of diseases
such as cancer."
A. True
B. False, it should read "Some mutations may be harmful and increase the risk of diseases such as cancer, but many are beneficial"
C. False, it should read "All mutations are beneficial"
D. False, it should read "Some mutations may be beneficial, but many are harmful and increase the risk of diseases such as cancer."
Answers
A mutation is a change in the DNA sequence that can be either beneficial or harmful. 1) B, false.
What is a mutation?A mutation is a stable and hereditably change in the genetic material that introduces new variants.
These changes are unpredictable, and occur due to the action of mutagenic agents that alter DNI sequences.
Different mutagenic agents cause changes in genetic information, increasing mutations over the normal level.
Mutagenic agents cause changes in the base sequences and pairing.
Many of these mutations are eliminated, but some might succeed and be incorporated into each individual, getting to even affect the entire species.
These mutations are the ones that have been selected by natural selection.
Mutations depend on environmental conditions and ecological pressures, and accumulate in time. Mutations can be damaging or beneficial to the organism and might be inheritable or not.
Those favored by natural selection are inherited by the following generations and get to spread.
The statement is False, Option B.
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Answer: False, it should read "Some mutations may be harmful and increase the risk of diseases such as cancer, but many are beneficial"
Explanation: Not all mutations are harmful because some are useful and help many
Plant cells placed in HYPOTONIC
conditions will remain
A. turgid
C. plasmolyzed
B. wilted
D. flaccid
Answers
Answer:
option no. C. is the correct answer.
The segment of the the lymphatic pathway called the lymphatic vessels are most anatomically similar to which type of blood vessel?
Answers
The segment of the lymphatic pathway called the lymphatic vessels is most anatomically similar to the Cardiovascular vein.
The lymphatic vessels are similar to the cardiovascular veins.
The direction of transport of fluid:-Lymphatic vessels transport lymph from the tissues to the collecting ducts. This is the same function vein that transports blood from tissues to the heart. Pressure:-Lymphatic vessels work under low pressure as veins do.Valves:- Both lymphatics vessels and cardiovascular veins have a series of valves inside them that maintain the fluidity of lymph and blood throughout the pathway respectively.What is the lymphatic system?
The lymphatics system is the part of our immune system which consists of networks of vessels. These vessels carried out lymph from the tissue which has leaked out from the blood vessels. These lymphatic vessels and tissues work together to take back this lymph into the bloodstream.
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What is the difference between colonial and multicellular organisms?
Answers
Answer:
the individual organisms that form a colony or biofilm can, if separated, survive on their own, while cells from a multicellular organism (e.g., liver cells) cannot.
What hormone causes the endometrial glands to fill with glycogen and endometrial blood vessels to become more numerous?
Answers
What hormone causes the endometrial glands to fill with glycogen and endometrial blood vessels to become more numerous? Progesterone
What is endometrial glands?Endometrial glands, also known as uterine glands, are tubular glands that are present in the functional layer of the endometrium that borders the uterus. They are lined with ciliated columnar epithelium. Throughout the menstrual cycle, their appearance changes. Because of the ovaries' release of estrogen during the proliferative period, the uterine glands seem to be lengthy. The uterine glands produce a glycogen-rich secretion and become very coiled throughout the secretory phase. As a result of increased progesterone release from the corpus luteum, this alteration is correlated with an increase in blood flow to spiral arteries. Progesterone release declines during the premenstrual phase as the corpus luteum deteriorates, which lowers blood supply to the spiral arteries. During the process of menopause, the uterus' functional layer—which houses the glands—becomes necrotic and eventually sloughs off.
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What brain structure is responsible for raising or lowering the thresholds of conscious awareness?
Answers
In the past, consciousness was thought to emanate from the frontal hemispheres of the brain, but current research has found that the content of consciousness mainly originates from the hindbrain.
A food contains 1.1 grams carbohydrates, 13 grams protein, and 11 grams fats. how many calories does the food provide?
Answers
Step by step.
We know Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram.
So (1.1 x 4) + (13 x 4) + (11 x 9) = total calories.
4.4 + 52 + 99 = 155.4 total calories.
Please Help!! URGENT! 5. Charles Darwin observed many species of finches in the Galápagos Islands. This area is made up of many small islands separated by ocean water. Each island has slightly different geography and food sources.
a) Name three reasons that this area had a high rate of speciation
b) How would the rate of speciation be different if the islands were much closer together? Explain
Answers
Isolation, Divergence and Reproductive isolation are the three reasons of higher rate of speciation.
What are the three reasons that this area had a high rate of speciation?Isolation, Divergence and Reproductive isolation are the three reasons that this area had a high rate of speciation. Isolation of populations is the main reason of speciation. Divergence in traits of separated populations have different mating system or habitat. Reproductive isolation of populations causes the populations come into contact again and again.
How would the rate of speciation be different if the islands were much closer together?
The rate of speciation would be different if the islands were much closer together because the species can easily move from one island to another island which leads to diversification of population.
So we can conclude that Isolation, Divergence and Reproductive isolation are the three reasons of higher rate of speciation.
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The two waves are on two identical strings with the same tension. Identify which wave is high frequency and which wave is low frequency. What is the relationship of wavelength and frequency? Use the pictures to justify your answer.
Answers
(a) If the tension of the two waves is the same, the wave with higher frequency will be the wave with smaller mass per unit length.
(b) The frequency of a wave is inversely proportional to the wavelength of the wave.
Relationship between tension and frequencyThe frequency of a wave in string is given as;
f ∝√T/μ
where;
f is frequency of the waveT is tension in the stringμ is mass per unit length of the stringThus, if the tension of the two waves is the same, the wave with higher frequency will be the wave with smaller mass per unit length.
Relationship between wavelength and frequencyThe relationship of wavelength and frequency is given by the following formula;
f = v/λ
where;
f is frequency of sound wavev is speed of the sound waveλ is wavelength of the sound waveThus, the frequency of a wave is inversely proportional to the wavelength of the wave.
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It would be most difficult for the body to maintain homeostasis if over several days someone had an inadequate intake of:________
Answers
If someone had an inadequate intake of sodium over several days, it would be most difficult for the body to maintain homeostasis.
Why is sodium important for homeostasis?Most of the sodium in our body is present in the extracellular fluid (ECF). The concentration of sodium in the body is measured relative to the amount of water in the body.
Maintaining proper sodium concentration is therefore essential for maintaining water balance in the body. It also helps in the proper functioning of neurons by assisting in the conduction of impulses.
Sodium concentration is also important for muscle contraction. Proper sodium concentration maintains osmolality of the extracellular fluid which maintains the volume of blood and plasma in the body.
Therefore, an inadequate intake of sodium, over several days will affect the homeostasis of the body.
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Muscle tone and strength usually begin to show signs of decline around the age of _____
Answers
The inferior lateral walls and part of the floor of the cranium are formed by the?
Answers
The ethmoid bone shapes the floor of the skull as well as its inferior lateral walls.
Where is an ethmoid bone found?
The upper nasal cavity's roof and lateral walls, the top part of the nostril septum, and a piece of the orbit's medial wall are all formed by the ethmoid bone, a single midline bone. The ethmoid also contributes to the anterior cranial cavity's floor on the inside of the skull.
The anterior cranial fossa's floor is formed by the ethmoid bone, which occupies a tiny space in the cranial cavity near the midline. This area also serves as the nasal cavity's slender roof. The cribriform plates and crista galli make up this section of the ethmoid bone.
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put simple a b or c its not that hard
Answers
The correct answer choice from the statement above is:
Homeostasis is the the maintenance of a steady internal environment of an organisms.
Option B is the correct answer
What are hormones?Hormones are chemical messengers or substances which are produced by the endocrine glands and released to the sites of action where they are needed.
Below are few examples of some hormones which also help in homeostasis:
AdrenalineAldosteroneAntidiuretic hormoneAdrenocorticotropic hormoneOxytocinInsulinGlucagonTestosteroneOestrogenSo therefore, the correct answer choice from the statement above is:
Homeostasis is the the maintenance of a steady internal environment of an organisms
Complete question:
Which of the following statements best describes homeostasis. Simply put a b or c its not that hard
a. Homeostasis is regulation of external environment
b. Homeostasis is the maintenance of a steady international environment of an organisms
c. Homeostasis is movement of molecules from a region of higher concentration to a region of lower concentration
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In __________ organisms, the primary function of a gene in a cell is to participate in regulating the body as a whole and not to responding to the cell's immediate environment. group of answer choices
Answers
In Multicellular organisms, the primary function of a gene in a cell is to participate in regulating the body as a whole and not to responding to the cell's immediate environment. group of answer choices.
Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. Gene expression in eukaryotic cells is regulated by repressors as well as by transcriptional activators. Like their prokaryotic counterparts, eukaryotic repressors bind to specific DNA sequences and inhibit transcription. Gene expression is primarily controlled at the level of transcription, largely as a result of binding of proteins to specific sites on DNA.
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In a classic experiment conducted by Cannon and Washburn (1912), they monitored stomach contractions and found them to be related to _____.
Answers
In a classic experiment conducted by Cannon and Washburn (1912), they monitored stomach contractions and found them to be related to hunger.
What is stomach contraction?Stomach, intestines, or abdominal muscles can constrict during a stomach spasm. It may feel like a tiny muscle twitch or stomach cramps, depending on which area of your body is spasming and how severely.Food is moved through the digestive tract by a sequence of wave-like muscle contractions called peristalsis. The process begins in the esophagus, where powerful waves of smooth muscle transport balls of swallowed food to the stomach.Primarily, hunger is a biologically induced urge for food, which is necessary for survival. So, it is possible to think of hunger as a biological characteristic of humans that can be measured and predicted in terms of appetite and food consumption.Nerve cells located in the hypothalamus are what cause the feeling of hunger when they are active.
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Normal human cells have ________ chromosomes while gametes have ________ chromosomes.
Answers
Answer:
Normal human cells have 46 chromosomes while gametes have 23 chromosomes.
How do the unsaturated fatty acids in phospholipids affect the structure of cell membranes?
Answers
Unsaturated fatty acids are a component of the phospholipids in cell membranes and help maintain membrane fluidity. The Phospholipids contain a variety of unsaturated fatty acids, when compressed, the “kinks” in their tails push adjacent phospholipid molecules away, that helps in maintain fluidity in the membrane. Unsaturated fatty acids have at least one double bond, creating a "kink" in the chain, the absence of double bonds decreases fluidity, making the membrane very strong and stacked tightly.
The ratio of saturated and unsaturated fatty acids determines the fluidity in the membrane at a temperature, at appropriate temperatures the phospholipids have enough kinetic energy to overcome the intermolecular forces holding the membrane together, which increases membrane fluidity.
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A research group is looking for a way to use spider silk, valued for its high tensile strength, to make extremely strong ropes, but spiders only produce small amounts of silk. they have isolated the gene and have inserted it into cows to produce the silk protein in their milk where the scientists can collect it in large quantities. what is this process called? a. bioreaction b. transgenics c. artificial selection d. recombination
Answers
Option (B) Transgenics is the correct answer.
Transgenics involves one or more DNA sequences being artificially introduced into an organism that wouldn't usually have them.
What is Transgenics?The term "transgenic" refers to organisms with modified genomes.For scientific investigation, most transgenic organisms are produced in laboratories. A particular gene of interest is disabled in transgenic mice called "knock-out" mice. Researchers can learn more about the normal operation of the gene by researching its consequences.It is possible to alter the genomes of living things with contemporary genetic technology. The term "genetic engineering" also applies to this method.Additionally, commercial uses for transgenic organisms have been created. Food crops like soy and peas that have undergone genetic modification to become resistant to pesticides and herbicides are probably the most well-known examples.Hence, Transgenics entails the artificial introduction of one or more DNA sequences into an organism that wouldn't typically contain them.
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All sources of pollution come from human activities. please select the best answer from the choices provided t f
Answers
False.
All sources of pollution do not come from human activities.
What are the causes of pollution?There are some natural causes of pollution. When dangerous pollutants enter the air as gases, liquids, or solids, air pollution is formed. Although there are some natural processes that can produce air pollution, such as sulfur and chlorine gases from volcanic activity, smoke and ash from wildfires, dust storms, and biological degradation, manmade sources account for the majority of pollution in the atmosphere.
Burning fossil fuels for transportation, energy, and industry produces the majority of air pollution that is caused by humans. Carbon dioxide, nitrogen oxides, sulfur dioxide, volatile organic compounds (VOCs), and particulates are typical pollutants released by fossil fuel-burning engines. In addition to particles, carbon monoxide and carbon dioxide are produced by stoves, incinerators, and open burning.
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Answer:
False
Explanation:
____________ develop(s) from the fusing of two separate sperm and egg at the same time that each develop into their own embryo.
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The facial nerve (cn vii) passes through the opening in the temporal bone called the?
Answers
The facial nerve (cn vii) passes through the opening in the temporal bone called the stylomastoid foramen.
Stylomastoid foramen:The foramen between the styloid and mastoid processes of the temporal bone of the skull is known as the stylomastoid foramen. It serves as the facial canal's terminus and carries the facial nerve and stylomastoid artery. Bell's palsy may be brought on by facial nerve irritation in the stylomastoid foramen. An unexplained episode of facial muscular paralysis or weakening is known as Bell's palsy. Over the course of 48 hours, it gets worse suddenly.
The stylomastoid foramen is where the 7th cranial nerve leaves the skull and enters the parotid gland at its deep surface. The nerve splits into two major branches, the temporofacial branch, and the cervicofacial branch, right next to the parotid duct.
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After ovulation, the secondary oocyte is drawn from the peritoneal cavity into the uterine tube by _________
Answers
After ovulation, the secondary oocyte is drawn from the peritoneal cavity into the uterine tube by fimbriae.
Ovulation is the process by which a developed egg is released from the female ovary so that male sperm cells can fertilize it. In humans, only one egg is typically released at a time; on rare occasions, two or more may do so during the menstrual cycle. On the 14th to 16th day of the roughly 28-day menstrual cycle, the egg emerges from the ovary. The little, finger-like projections at the end of the fallopian tubes known as the fimbriae of the uterine tube, or fimbriae tube are where eggs go from the ovaries to the uterus. The ovary and fimbriae are joined.The immature ovum that forms soon after ovulation is called a secondary oocyte.Near the fibrotic end of the fallopian tube, secondary oocytes are discharged into the abdominal cavity.learn more about ovulation here:
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The alternative pathway of complement cascade activation begins with ________ binding to the surface of a microbe. c5b c5a c3b c1 factor b
Answers
The correct answer is c3b.
The intrinsic C3 thioester bond of the alternative pathway (AP) is progressively hydrolyzed spontaneously by diverse proteins, lipids, and carbohydrate structures on microbes and other external surfaces [12–14], and this further activates the AP [1, 15]. A blue line pointing to C3 denotes the fluid-phase C3b promoting assembly of AP C3 convertase as the proposed mechanism for the reaction of properdin with a target on the foreign surface [27]. Thick red lines signify amplification mechanisms: Factor H regulates and inhibits the tick-over reaction, a gradual spontaneous activation involving C3(H2O) reacting with factor B. Properdin also promotes self-amplification in the other loop by stabilizing the C3bBb complex.
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Muscle glycogen is resynthesized at its highest rate immediately after exercise.
a. true
b. false
Answers
Muscle glycogen is resynthesized at its highest rate immediately after exercise is true.
Why is it important to consume carbohydrates immediately after exercise?
Restocking muscle glycogen stores and starting muscle tissue repair and adaptation are crucial for a speedy recovery from prolonged exercise. It's crucial to take a carbohydrate supplement as soon as you can after working out to enhance muscle glycogen regeneration. Glucose is stored in the form of glycogen. It is made up of multiple branching long strings of glucose molecules.
In order to create ATP, which carries chemical energy and is essential for muscular contractions, the glucose must periodically break apart from the glycogen chain. Research demonstrates that eating high-glycemic (fast-digesting) carbs as soon as possible after working out is the greatest strategy to replace muscle glycogen stores.
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